Tree Hydrangea 'Grandiflora'

Hydrangea paniculata 'Grandiflora'

This guide provides information on the characteristics and care methods of the Hydrangea paniculata 'Grandiflora'.

Growth Characteristics
- Form: Unlike other hydrangeas, Hydrangea paniculata 'Grandiflora' features large, conical inflorescences that change color from cream to white.
- Size: Mature plants grow to a height of approximately 1.5 to 3 meters.
- Flowering Season: Flowers bloom from summer to autumn, with the most spectacular blooms visible in late summer.
- Cold Hardiness: It is relatively cold-hardy and thrives even in cold climates.

Propagation Methods
- Cuttings: It is common to propagate cuttings by cutting branches 10 to 15 cm in length during early summer or autumn. Using a rooting hormone is more effective.
- Seed Propagation: Although not commonly used, this method is possible; seeds can be collected and planted.

Cultivation Methods
- Soil: It prefers fertile, well-drained soil. - Sunlight: It requires sufficient sunlight, but partial shade is also acceptable.
- Watering: Ensure good drainage and water consistently to prevent the soil from drying out.
- Fertilizer: Slow-release fertilizers can be used during the growing season.

Uses in the Garden
- Landscape Element: Its large inflorescences and white flowers can serve as a focal point in the garden. Planting it around a fountain or for a "borrowed scenery" (a landscape reflected in water) creates a spectacular sight.
- Placement: As it is a tall plant, it is ideal for planting in the background or as a boundary plant.

Important Pests and Control Methods
- Mold: Caution is required as fungal diseases can occur due to excessive moisture. This can be prevented by ensuring good ventilation and drainage.
- Aphids: If aphids appear, wash them off with soapy water or use safe pesticides.
- Pest Control: Detect signs of pests early through regular observation and use appropriate pesticides if necessary. It is important to check the exact environment and care methods to help the tree hydrangea 'Grandiflora' grow healthily.

Plant Family	Hydrangea
Height	3~7.5m
Spread	2.4~4.5m
Colors	white
Bloom Period	July to September
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

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